Combustion type power tool

Details Combustion type power tool Combustion type power tool

2011-04-05

2011-04-05

Smith, Scott A. (Department: 3721)

Elongated-member-driving apparatus

With interlock means

C227S010000, C227S130000, C123S0460SC

Reexamination Certificate

active

07918373

ABSTRACT:
A combustion type power tool capable of avoiding wasteful injection of combustible gas from a gas canister even if an unintentional operation of the push lever takes place, and capable of avoiding wasteful electric power consumption even if a battery used as power supply remains set in the tool. While the tool is not being used, a stop unit is set at a stop position, preventing a gas canister from injecting gas, and while the tool is being used, the stop unit is set at a release position, allowing the gas canister to inject gas as a result of movement of a combustion chamber frame.

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